Date: Sat, 25 Sep 2004 22:41:53 +0200 From: =?ISO-8859-1?Q?Eirik_=D8verby?= <ltning@anduin.net> To: Doug White <dwhite@gumbysoft.com> Cc: stable@freebsd.org Subject: Re: Obscure errors in dmsg, system instability Message-ID: <55A10978-0F33-11D9-A337-000D9335BCEC@anduin.net> In-Reply-To: <20040925132827.G65556@carver.gumbysoft.com> References: <41519A92.3070503@anduin.net> <20040922191436.A36124@carver.gumbysoft.com> <5390CF52-0D22-11D9-862C-000D9335BCEC@anduin.net> <20040925132827.G65556@carver.gumbysoft.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 25. Sep 2004, at 22:29, Doug White wrote: > On Thu, 23 Sep 2004, [ISO-8859-1] Eirik =D8verby wrote: > >> On 23. Sep 2004, at 04:15, Doug White wrote: >> >>> Is something sharing an interrupt with that device? >>> >>> PCI bus errors are generally Bad News .. either some device or the >>> mobo is inroducing errors. >> >> Well.. Yes, there is some interrupt sharing. Relevant parts of dmsg: >> >> [ltning@carnen] ~$ dmesg | grep "irq 2" >> IOAPIC #0 intpin 19 -> irq 2 >> uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xd400-0xd41f=20= >> irq >> 2 at device 4.2 on pci0 >> ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> port 0xd000-0xd0ff mem >> 0xe2000000-0xe2000fff irq 2 at device 6.0 on pci0 >> amr0: <LSILogic MegaRAID> mem 0xe3000000-0xe300ffff irq 2 at device=20= >> 9.1 >> on pci0 > > Apparently one of these devices doesn't like getting an interrupt when > there's no data pending. It might be a FreeBSD driver bug, but being a > 3-way share it'll make it hard to untangle. In that case, building a kernel without the adaptec driver might=20 actually resolve the problem for now? > >> I don't like the fact that the LSI and the Adaptec are sharing IRQs, >> given that the LSI is the main system drive controller (which is why = I >> don't use the Adaptec at all - and it cannot be disabled in BIOS I >> think!)... >> >> I should perhaps try to reallocate some of the IRQs, but I don't=20 >> really >> have a clue how to do that, since I have no VGA in that box.. Ohwell,=20= >> I >> guess I just have to rip it open ;) > > Yah .. rearrange the cards in the slots and see what you can convince=20= > it > to do. That's the plan. Thanks!! /Eirik
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?55A10978-0F33-11D9-A337-000D9335BCEC>